<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>非父子组件间传值（Bus/总线/发布订阅模式/观察者模式）</title>
    <script src="vue.js"></script>
</head>
<body>
    <div id="app">
        <child :content="'Dell'"></child>
        <child :content="'Lee'"></child>
    </div>
    <script>
        Vue.prototype.bus = new Vue()

        Vue.component("child", {
            props : {
                content : String
            },
            data : function(){
                return {
                    selfContent : this.content
                }
            },
            template : "<div @click='handleClick'>{{selfContent}}</div>",
            methods : {
                handleClick : function () {
                    this.bus.$emit("change", this.selfContent)
                }
            },
            mounted : function () {
                var this_ = this ;
                this.bus.$on("change", function (msg) {
                    this_.selfContent = msg
                })
            }
        })

        var vm = new Vue({
            el : "#app"
        })
    </script>
</body>
</html>